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Page 18 of 37 Ye et al. J Mater Inf 2023;3:15 https://dx.doi.org/10.20517/jmi.2023.08

Table 10. . Invariant reactions of the Fe-Y binary system
Reactions Reaction type Temperature (K) Composition () Reference
bcc(δ-Fe) ↔ fcc(γ-Fe) + L Metatectic 1673±25 — [115] (exp.)
1667.0 0.058 [127] (cal.)
1665.0 0.072 [132] (cal.)
1725.0 0.039 [19] (cal.)
1663.0 0.048 [131] (PTD) (cal.)
1664.0 0.048 [131] (ETD) (cal.)
1660.0 0.060 [133] (cal.)
1665.8 0.077 This work(cal.)
fcc(γ-Fe) ↔ bcc(α-Fe) + Fe Y Eutectoid 1185.0 — [115] (exp)
17 2
1185.0 — [132]
1185.0 — [133]
1185.0 — [131] (PTD) (cal.)
1185.0 — [131] (ETD) (cal.)
1184.8 — This work
L ↔ Fe Y + fcc(γ-Fe) Eutectic 1623±25 0.082 [115] (exp.)
17 2
1623.0 0.074 [127] (cal.)
1641.0 0.084 [132] (cal.)
1657.0 0.069 [19] (cal.)
1633.0 0.056 [131] (PTD) (cal.)
1663.0 0.072 [131] (ETD) (cal.)
1635.0 0.070 [133] (cal.)
1647.3 0.088 This work(cal.)
L↔ Fe Y Congruent 1673±25 0.105 [115] (exp.)
17 2
1673.0 0.105 [127] (cal.)
1644.0 0.105 [132] (cal.)
1679.0 0.105 [19] (cal.)
1676.0 0.105 [131] (PTD) (cal.)
1672.0 0.105 [131] (ETD) (cal.)
1650.0 0.105 [133] (cal.)
1650.1 0.105 This work(cal.)
L ↔ Fe Y + Fe Y Eutectic ~1553.0 0.129 [115] (exp.)
17 2 23 6
1553.0 0.164 [127] (cal.)
1605.0 0.197 [132] (cal.)
1645.0 0.159 [19] (cal.)
1605.0 0.182 [131] (PTD) (cal.)
1638.0 0.179 [131] (ETD) (cal.)
1613.0 0.173 [133] (cal.)
1602.7 0.197 This work(cal.)
L ↔ Fe Y Congruent ~1573.0 — [115] (exp.)
23 6
1606.0 0.201 [132] (cal.)
1667.0 0.207 [19] (cal.)
1606.0 0.207 [131] (PTD) (cal.)
1641.0 0.207 [131] (ETD) (cal.)
1623.0 0.207 [133] (cal.)
1603.0 0.207 This work(cal.)
L ↔ Fe Y + Fe Y Eutectic ~1523.0 0.237 [115] (exp.)
23 6
3
1573.0 0.186 [127] (cal.)
1604.0 0.237 [132] (cal.)
1667.0 0.210 [19] (cal.)
1605.0 0.207 [131] (PTD) (cal.)
1640.0 0.216 [131] (ETD) (cal.)
1619.0 0.207 [133] (cal.)
1602.4 0.221 This work(cal.)
L ↔ Fe Y Congruent ~1608.0 0.250 [115] (exp.)
3
1623.0 0.250 [127] (cal.)
1605.0 0.250 [132] (cal.)
1681.0 0.250 [19] (cal.)
1623.0 0.250 [131] (PTD) (cal.)
1647.0 0.250 [131] (ETD) (cal.)
1621.0 0.250 [133] (cal.)
1605.5 0.250 This work(cal.)
L + Fe Y ↔ Fe Y Peritectic 1398±25 ~0.424 [115] (exp.)
3 2
1398.0 0.421 [127] (cal.)
1396.0 0.525 [132] (cal.)
1397.0 0.475 [19] (cal.)
1409.0 0.443 [131] (PTD) (cal.)
1397.0 0.482 [131] (ETD) (cal.)